To group an expression, means that the factors of the expression are to be separated in (), [] or {}.
An expression with a value of 80 is:
The number is given as:
Factorize
Factorize 40
Express as an exponent
Express 20 as 4 x 5
Express 5 as 3 + 2
Express 4 as 2 + 2
Hence, the above expression has a numerical value of 80
Read more about numerical expressions at:
Answer:
Step-by-step explanation:
Area of circle = 78.5 in²
πr² = 78.5
3.14*r² = 78.5
r = 5 in
A perfect square trinomial is the result in algebraic form which is obtained by solving the squared binomial expression. Kylie did not understand that this is a perfect square trinomial and she did not determine the product correctly. Thus the option C is the correct option.
Given information-
The expression for the given problem is,
A perfect square trinomial is the result in algebraic form which is obtained by solving the squared binomial expression.
The perfect square trinomial can be given as,
The given expression can be solved as,
Hence Kylie did not understand that this is a perfect square trinomial and she did not determine the product correctly. Thus the option C is the correct option.
Learn more about the perfect square trinomial here;